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Pumps > Motor Driven > Fluid Motor > Common Pumping And Motor Working Member > Collapsible Common Member > Diaphragm

Diaphragm

Diaphragm patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

04/03/14 - 20140093406 - Housing with two housing parts made of plastic
The invention refers to a housing (1) with a housing axis (8) and two housing parts (2, 3) mane of plastic, and with a joint extending between them transversally to the housing axis, in which case the housing parts (2, 3) are braced against one another with the help of...

11/21/13 - 20130309105 - Precision pump with multiple heads
A pump for one or more different process fluids is provided including a pumping chamber having a process fluid inlet and outlet coupled to a process fluid valve on each pumping chamber for selectively preventing and allowing flow of process fluid through the pumping chamber. An actuation mechanism for pumping...

09/19/13 - 20130243622 - Pump
A pump that has a cavity (13) in which is located a non-elastomeric membrane (14). An inlet (24) opens into the cavity (13) and is associated with a valve (27). A valve (28) is likewise provided in an outlet (25). Also opening into cavity (13) is a port (22) to...

09/05/13 - 20130230417 - High-pressure pump
A high-pressure pump has an elastic member arranged in a damper chamber between a first diaphragm and a second diaphragm. The elastic member is always in contact with both diaphragms while the high-pressure pump is operated. When the diaphragms are further vibrated due to a resonance under a situation where...

08/15/13 - 20130209289 - Three element diaphragm damper for fuel pump
A damper assembly for a fuel pump includes at least one diaphragm assembly formed by joining two metal diaphragms to respective two sides of an imperforate central plate, thereby creating a pair of closely spaced diaphragms, each acting upon its own gas volume. Preferably, the diaphragm assembly has (a) a...

08/01/13 - 20130195693 - Graphene-drum pump and engine systems
The present invention relates to pump systems and engine systems having graphene drums. In embodiments of the invention, the graphene drum can be utilized in the main chambers and/or valves of the pumps and engines....

07/18/13 - 20130183172 - Device for detecting breakage of a diaphragm in a hydraulically-actuated pump, a method of mounting such a device on a pump, and a pump fitted with such a device
A device for detecting breaks in a diaphragm of a hydraulically-actuated pump includes a body (21) in which a first chamber (22) is formed, a duct (23) connecting the first chamber to a second end of the body, a check valve (24) arranged in the duct to pass fluid from...

06/27/13 - 20130164156 - Pump for delivering a product, comprising a piston sliding in the metering chamber
The pump includes a piston slidably mounted in a metering chamber, the piston including a support, a diaphragm made of a first material and forming a check valve that allows fluid to flow into the metering chamber, and a presser element for pressing the diaphragm against the support, the presser...

05/23/13 - 20130129535 - Pump
A pump for conveying a fluid comprises a pump housing (1) with a fluid inlet (26), a pumping chamber (4), which has a flow connection to the fluid inlet (26), and a fluid outlet (25), which has a flow connection to the pumping chamber (4). The pump furthermore has a...

05/09/13 - 20130115117 - Double-membrane central-flow pump
The present invention is a central flow double diaphragm pump controlled by an operating fluid distribution module on the topside. A pivoting sealing member with a protruding wing pivots on the low friction seal of the operating fluid distribution module. The pumped fluid chambers' inlet and outlet ports are positioned...

04/25/13 - 20130101445 - Double diaphragm pump
A diaphragm pump, in which a fluid moves at least a first piston of a first piston/cylinder system back and forth, the first piston being mechanically connected to at least one other hydraulic piston and the hydraulic piston driving at least one diaphragm by a hydraulic medium....

03/28/13 - 20130078121 - Separation type pneumatic dual partition membrane pump and external pneumatic control valve thereof
The present invention relates to a separation type pneumatic dual partition membrane pump, which comprises a pump body and an external pneumatic control valve which is separately installed. Through the operation of the external pneumatic control valve, the main shaft of the pump body and the valve rod of the...

03/28/13 - 20130078122 - Diaphragm circulator
A diaphragm circulator for liquid material having an internal circuit provided with at least one material intake orifice for discharging the material. The circulator body defines a propulsion chamber with rigid walls between which a deformable diaphragm is placed in such a way that the edge thereof is adjacent to...

03/07/13 - 20130058805 - Pneumatic micropump
A pneumatic micropump is provided. The pneumatic micropump includes a fluidic channel layer, an upper substrate, a lower substrate, an upper membrane and a lower membrane. The fluidic channel includes a fluid inlet a reservoir, and a fluid outlet, wherein the fluid passes through the fluid inlet, the reservoir and...

01/17/13 - 20130017102 - Over-center linkage
A novel changeover mechanism for a compressed air driven double diaphragm pump comprises a shaft slidably mounted through aligned apertures in opposing surfaces of the twin diaphragm chambers. At the centre of the shaft between the two diaphragm chambers is provided an annular notch in to which is located an...

12/06/12 - 20120308412 - Diaphragm metering pump device for medical use
where: Patm=atmospheric pressure, Pvap=vapour pressure of the pumped fluid, ΔPvalve—in=pressure difference between the upstream and downstream side of the inlet valve for opening it, ΔPΔh—in=pressure difference in the upstream pipe between its distal end and the upstream side of the inlet valve as a result of the weight of the...

09/06/12 - 20120224984 - Diaphragm pump and pumping systems
A process fluid pump can include a pump chamber, an inlet valve, and an outlet valve. Diaphragm regions can define at least a portion of each of the pump chamber, the inlet valve, and the outlet valve. The diaphragm regions can each have an actuation region with a surface that...

08/16/12 - 20120207627 - Pumping cassette
A pump cassette is disclosed. The pump cassette includes housing. The housing includes at least one fluid inlet line and at least one fluid outlet line. Also, the cassette includes at least one reciprocating pressure displacement membrane pump within the housing. The pressure pump pumps at least one fluid from...

05/03/12 - 20120107152 - Modular diaphragm pumping system
The present invention provides apparatus featuring a pump system, including a modular diaphragm pump system, comprising pump modules and couplers, where the pump modules are configured to receive input feeds of fluid being drawn into the pump modules, to provide output feeds of fluid being pumped from the pump modules,...

02/23/12 - 20120045350 - Double-diaphragm pumps
A double-diaphragm pump comprising a pair of axially spaced apart pumping chambers, each chamber having a pumping diaphragm which divides each chamber into an inner and outer compartment, the inner ends of both pumping chambers being closed by a central element, means for supplying fluid to the outer compartments to...

12/22/11 - 20110311379 - Pump diaphragm
A diaphragm assembly designed for employment in a fluid driven diaphragm pump includes a piston having an inflexible core. This core includes a hub with a plate extending radially from about the periphery of the hub and a center attachment concentrically arranged in the hub and accessible from a first...

11/17/11 - 20110280747 - Pump with an elastic membrane and hydraulic control
A hydraulically-controlled diaphragm pump has a pump chamber (3) formed between a pump head and a pump body (9) with a movable wall formed by a diaphragm that is elastically deformable from its rest shape that corresponds to its state at the end of the suction stroke of the pump....

09/22/11 - 20110229352 - High pressure double membrane pump and membrane element for such a pump
A high pressure double membrane pump has a central housing (3), two cylindrical pump chambers (7,8), a coupling rod (4) which moves back and forth when the pump is in operation and which has a pump piston (9), two membranes which divide each of the pump chambers (7,8) into a...

06/16/11 - 20110142692 - Air logic controller
An air logic controller for increasing the efficiency of an air operated double diaphragm pump. The air logic controller may increase the efficiency of the pump by controlling the supply of compressed fluid to the pump. In one embodiment, the air logic controller may control the supply of compressed fluid...

06/09/11 - 20110135514 - Pump device
A pump device includes a pulsator as a drive element for a main pump head which is situated in a delivery line and the working chamber of which is provided with a suction-side non-return valve and a pressure-side non-return valve. The working chamber of the pulsator is connected via an...

02/03/11 - 20110027108 - Polymer-metallic reagent head
A reagent head has a housing, an inlet and an outlet. Check valves and other details are not shown for clarity. The reagent head may have a dish where a diaphragm may seat when in a fully forward position. The reagent head may be constructed primarily from a high-strength material,...

11/11/10 - 20100284834 - Air operated diaphragm pump with electric generator
An air operated double diaphragm pump comprises an integrated electric generator and an air efficiency device. The integrated electric generator increases the portability of the air operated double diaphragm pump. The air efficiency device varies the amount of compressed fluid entering the pump between a high volume and a low...

06/24/10 - 20100158716 - Precision pump with multiple heads
A pump for one or more different process fluids is provided including a pumping chamber having a process fluid inlet and outlet coupled to a process fluid valve on each pumping chamber for selectively preventing and allowing flow of process fluid through the pumping chamber. An actuation mechanism for pumping...

04/29/10 - 20100104458 - pump
A pump that has a cavity (13) in which is located a non-elastomeric membrane (14). An inlet (24) opens into the cavity (13) and is associated with a valve (27). A valve (28) is likewise provided in an outlet (25). Also opening into cavity (13) is a port (22) to...

06/18/09 - 20090155098 - Pump structure connectable with an air cushion or a bladder
A pump structure connectable with an aircushion or a bladder. The pump structure includes: a flexible main body defining a valve room in which a relief valve is arranged and a compressible chamber; a one-way valve permitting the fluid to one-way flow into the chamber; and a thin membrane-type check...

03/12/09 - 20090068032 - Sanitary diaphragm pump for critical bioprocess applications
An easily cleaned and/or sterilized fluid pumping assembly including a first pump housing including a first inner chamber. The first pump housing includes a fluid access port adapted to provide fluid communication between an outside of the first pump housing and the first inner chamber. Also, included is a second...